docs: def addSSLService(self):
          "adds a SSLService to the instaitated HendrixService"
          https_port = self.options['https_port']
          self.tls_service = HendrixTCPServiceWithTLS(https_port, self.hendrix.site, self.key, self.cert,
                                                      self.context_factory, self.context_factory_kwargs)
          self.tls_service.setServiceParent(self.hendrix)